package com.zzyl.nursing.service.impl;
import cn.hutool.json.JSONUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

import java.time.LocalDateTime;
import java.util.Date;
import java.util.List;
import java.util.Arrays;

import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.CodeGenerator;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.nursing.domain.*;
import com.zzyl.nursing.dto.CheckInApplyDto;
import com.zzyl.nursing.dto.CheckInConfigDto;
import com.zzyl.nursing.mapper.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.service.ICheckInService;
import org.springframework.transaction.annotation.Transactional;

/**
 * 入住Service业务层处理
 * 
 * @author lapalace
 * @date 2025-07-26
 */
@Service
public class CheckInServiceImpl extends ServiceImpl<CheckInMapper,CheckIn> implements ICheckInService
{
    @Autowired
    private CheckInMapper checkInMapper;
    @Autowired
    private ElderMapper elderMapper;
    @Autowired
    private BedMapper bedMapper;
    @Autowired
    private ContractMapper contractMapper;
    @Autowired
    private CheckInConfigMapper checkInConfigMapper;

    /**
     * 申请入住
     */
    @Transactional
    @Override
    public void apply(CheckInApplyDto dto) {
        //1)检查老人是否已经入住，如果入住了，直接结束(0||5)
        Elder elder = elderMapper.selectOne(Wrappers.<Elder>lambdaQuery()
                .eq(Elder::getIdCardNo,dto.getCheckInElderDto().getIdCardNo()));
        if(elder!=null && elder.getStatus().intValue()==0 && elder.getStatus().intValue()==5){
            throw new BaseException("老人已入住");
        }
        //2)占用床位-status=1
        int count = bedMapper.updateBedStatus((dto.getCheckInConfigDto().getBedId()));
        if(count==0){
            throw new BaseException("床位占用失败");
        }
        //3)新增或者修改老人信息(无老人数据，执行新增，老人数据，执行修改)
        Bed bed = bedMapper.selectBedById(dto.getCheckInConfigDto().getBedId());
        //更新或者新增老人信息
        elder = insertOrUpdate(dto, elder, bed);
        //4)新增签约办理
        insertContract(dto, elder);
        //5)新增入住信息
        CheckIn checkIn = InsertCheckInElder(dto, elder, bed);
        //6)新增入住配置
        insertCheckInConfig(dto, checkIn);

    }

    private void insertCheckInConfig(CheckInApplyDto dto, CheckIn checkIn) {
        CheckInConfig checkInConfig = new CheckInConfig();
        BeanUtils.copyProperties(dto.getCheckInConfigDto(),checkInConfig);
        checkInConfig.setCheckInId(checkIn.getId());
        checkInConfigMapper.insert(checkInConfig);
    }

    private CheckIn InsertCheckInElder(CheckInApplyDto dto, Elder elder, Bed bed) {
        CheckIn checkIn = new CheckIn();
        BeanUtils.copyProperties(dto.getCheckInConfigDto(),checkIn);
        checkIn.setElderName(elder.getName());
        checkIn.setElderId(elder.getId());
        checkIn.setIdCardNo(elder.getIdCardNo());
        checkIn.setBedNumber(bed.getBedNumber());
        checkIn.setStatus(1);
        checkIn.setRemark(JSONUtil.toJsonStr(dto.getElderFamilyDtoList()));
        checkInMapper.insert(checkIn);
        return checkIn;
    }

    private void insertContract(CheckInApplyDto dto, Elder elder) {
        Contract contract = new Contract();
        BeanUtils.copyProperties(dto.getCheckInContractDto(),contract);
        contract.setElderId(elder.getId());
        contract.setElderName(elder.getName());
        contract.setContractNumber("HT"+ CodeGenerator.generateContractNumber());
        contract.setStartDate(dto.getCheckInConfigDto().getStartDate());
        contract.setEndDate(dto.getCheckInConfigDto().getEndDate());
        contract.setStatus(contract.getEndDate().isAfter(LocalDateTime.now())?1:0);
        contractMapper.insert(contract);
    }

    private Elder insertOrUpdate(CheckInApplyDto dto, Elder elder, Bed bed) {
        if(elder !=null){
            //修改
            elderMapper.updateById(elder);
        }else{
            if (elder ==null){
                 elder = new Elder();
                 elder.setCreateTime(new Date());
            }
            //新增
            BeanUtils.copyProperties(dto.getCheckInElderDto(), elder);
            elder.setStatus(1);
            elder.setBedId(bed.getId());
            elder.setBedNumber(bed.getBedNumber());
            elderMapper.insert(elder);
        }
        return elder;
    }

    /**
     * 查询入住
     * 
     * @param id 入住主键
     * @return 入住
     */
    @Override
    public CheckIn selectCheckInById(Long id)
    {
        return checkInMapper.selectById(id);
    }

    /**
     * 查询入住列表
     * 
     * @param checkIn 入住
     * @return 入住
     */
    @Override
    public List<CheckIn> selectCheckInList(CheckIn checkIn)
    {
        return checkInMapper.selectCheckInList(checkIn);
    }

    /**
     * 新增入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int insertCheckIn(CheckIn checkIn)
    {
        checkIn.setCreateTime(DateUtils.getNowDate());
        return checkInMapper.insert(checkIn);
    }

    /**
     * 修改入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int updateCheckIn(CheckIn checkIn)
    {
        checkIn.setUpdateTime(DateUtils.getNowDate());
        return checkInMapper.updateById(checkIn);
    }

    /**
     * 批量删除入住
     * 
     * @param ids 需要删除的入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInByIds(Long[] ids)
    {
        return checkInMapper.deleteByIds(Arrays.asList(ids));
    }

    /**
     * 删除入住信息
     * 
     * @param id 入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInById(Long id)
    {
        return checkInMapper.deleteById(id);
    }


}
